A highly opinionated, zero-configuration linter and formatter.
ultracite is a code linter and formatter that applies a fixed set of style and quality rules without requiring project-specific configuration. It is for developers who want automated checks and formatting for their code.
Latest release [email protected] · 14 Oct 2026
2 files for Codex, OpenCode and Claude Code: ultracite AGENTS.md, ultracite CLAUDE.md — 5,869 tokens loaded in every session.
AGENTS.md C 5,864 tok CLAUDE.md A 5 tok These files are haydenbleasel/ultracite's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.